This is a discussion on intermittent battery light within the General Maintenance, Troubleshooting & Accidents. forums, part of the Tech & Modifying & General Repairs category; My wrx has been exhibiting some strange behavior recently. The brake light and battery light will flash on/off momentarly. When ...

intermittent battery light

My wrx has been exhibiting some strange behavior recently. The brake light and battery light will flash on/off momentarly. When the two lights are on, the running lights will go off. The alternater is charging OK even when the instrument light is on. Any thoughts?

My first thought would actually be faulty alternator. How do you know the alternator is OK?

WRX Info Links, Courtesy TheJMan is a brute.... If you're cruel to him, he respects and fears you. If you're kind to him, he plucks your eyes out. Alexis ZorbasI lied. I cheated. I bribed men to cover the crimes of other men. I am an accessory to murder. But the most damning thing of all... I think I can live with it. And if I had to do it all over again - I would. Benjamin Sisko
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My wrx has been exhibiting some strange behavior recently. The brake light and battery light will flash on/off momentarly. When the two lights are on, the running lights will go off. The alternater is charging OK even when the instrument light is on. Any thoughts?

Intermitent Light uppdate

I have eliminated the alternater. Something else is causing the battery and hand brake light to come on. Anyone else experience this? When the battery/brake lite come one, the running lights will go off.

I have eliminated the alternater. Something else is causing the battery and hand brake light to come on. Anyone else experience this? When the battery/brake lite come one, the running lights will go off.

This is awesome! There are so many posts talking about the same stituation! I have only owned the car for two days and have had this problem! I replaced the battery with an optima red, and also replaced the alternator! I still have both warninglights come on while driving and my headlights turn off? its an awesome thing to have happpen in traffic on the I-5 during rush hour! I can't wait until tommorrows commute!!!!!

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